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A study on vitamin B12 levels in hypothyroid patients presenting to a tertiary care teaching hospital

Symptoms of a Vitamin B-Complex Deficiency Vitamin B12 deficiency can cause a variety of symptoms, and they can vary depending on the severity and duration of the deficiency

(Comprehensive review detailing the inter-related roles of B-complex vitamins in cellular metabolism, energy production, and neurological function)

There is considerable literature about the oddities of the prescribing habits of British doctors , the factors influencing them, and the attitudes of doctors to prescription, but there have been as far as we know, no attempts to compare quantitatively the expected amount prescribed, on the basis of good clinical practice, with that actually prescribed